Sprachenreden oder Zungenreden?

The book "Speaking in Tongues or Glossolalia?" by Roger Liebi offers a comprehensive analysis of the topic of speaking in tongues, which has sparked much discussion and uncertainty among believers in recent decades. In this study, all relevant biblical passages on this subject are examined in depth. The author answers central questions, such as the nature of human languages, their functioning, and origin. In addition, he discusses whether speaking in tongues is glossolalia or genuine languages. Liebi sheds light on the role of the mind during speaking in tongues and the importance of interpretation. The various types of speaking in tongues mentioned in the Acts of the Apostles and the First Epistle to the Corinthians, as well as their significance in salvation history, are also addressed. The book also provides insights into church history and its teachings on this subject.